Professor Robert Winston on the beauty of intestinal tracts

I've spent a lifetime looking down a microscope and there are things that still make me gasp Watching cells pass through a tiny vessel, or dividing and proliferating, or white cells engulfing other cells or bits of dirt: there's something totally fascinating about that kind of movement.

Grunts from the front: From Roman tablets to army blogs

Humans have always fought each other, but the written narrative of warfare begins about 6,000 years ago with documents detailing a conflict between Elam and Sumer (modern-day Iran and Iraq). Since then military history has been dominated by the official story of leaders and their strategic political and military decisions. Wars have rarely been narrated by the ordinary foot soldier, pilot or sailor.

Best of the stones: The ancient structures at Stonehenge are truly

You know Stonehenge, of course: a haunting silhouette from the past that stands gaunt and defiant on the chalky grassland of Wiltshire, just where the busy A303 and A344 meet. This inspirational stone circle, a triumph of the human spirit, was bequeathed millennia ago. It is now protected by English Heritage and forms part of a Unesco World Heritage Site.